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In Reply to: its not possible to eliminate crossover distortion in class B posted by EdG on June 8, 2001 at 21:10:50:
You might want to read the original WW article. Blomley's design does not rely on the nonlinear characteristics of the output devices to switch the signal -- the output devices are biased into their linear regions and stay there all the time. The signal is instead split by a cascode signal splitter operating in the current domain that Blomley claims is extremely accurate (error of less that 1 in 10^12).With ideal components, I can see this idea working; however it remains to be seen if the deviations from perfection in the signal splitting stage cause more or less distortion and/or crossover effects than what modern output transistors operated in a classical class B configuration cause. John Curl's post seems to indicate that it would not be beneficial with today's components.
-Jon
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Follow Ups
- Re: its not possible to eliminate crossover distortion in class B - Jon T 21:43:42 06/08/01 (2)
- Re: its not possible to eliminate crossover distortion in class B - EdG 22:42:29 06/08/01 (1)
- Re: its not possible to eliminate crossover distortion in class B - Jon T 15:37:08 06/09/01 (0)
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